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Finding the Fourth Proportional to 360,186.43, 497,076.40 and 207,247.86

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Solution

The fourth proportional to 360,186.43, 497,076.40 and 207,247.86 is: 286,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,186.43 : 497,076.40 = 207,247.86 : x
  2. Step 2: Convert to fraction form
    360,186.43/497,076.40 = 207,247.86/x
  3. Step 3: Cross multiply
    360,186.43x = 497,076.40 × 207,247.86
  4. Step 4: Simplify right side
    360,186.43x = 103,018,017,671.12
  5. Step 5: Solve for x
    x = 103,018,017,671.12/360,186.43
  6. Step 6: Final answer
    x = 286,013.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.